Journal-bearing for railway-cars and the like.



w. H. NUNAMACHER. JOURNAL BEARlNG FOR RAILWAY CARS AND THE LIKE.

APPLICATION FILED JUNE 8, 1918.

1,281,817. Patented 060.15, 1918.

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JOURNAL-BEARING F 1d; ganrnwax cl a? 1,2 1, 17 specification of Lettersl atent.

Application filerlJ'une it, 15413.

To all whom it may concern.

Be it known that I, VVILLIAM Nana MACHER, a citizen of the UnitedStates, and a resident of Newark, in the county of Essex and State ofNew Jersey, have invented new and useful Improvements inJournal-Bearings for Railway-Cars and the like, of which the followingis a specification.

The objects of this invention are to enable roller bearings to beapplied to the trucks of railway cars and the like for receiving theaxles of the wheels; to enable the rollers to be readily accessible forremoval or replacement; to secure a simple and durable construction,which can be applied to railway trucks now in use, and'to obtain otheradvantages and results as may be brought out in the followingdescription.

Referring to the accompanying drawing, in which like numerals ofreference indicate the same parts throughout the several views,

Figure 1 is a side elevation of a portion of a car truck and wheel towhich my invention has been applied;

Fig. 2 is a perspective view of the journal box removed from the truck;

Fig. 3 is an outer end view of the journal box on larger scale with thecover removed;

Fig. 4 is a cross-section of the journal box through its rollers;

Fig. 5 is a detail view of one of the rollers;

Fig. 6 is a central vertical section taken longitudinally through theaxle, and

Fig. 7 is an inner end view of the journal box.

In the specific embodiment of the invention shown in said drawings, 1indicates a .journal box of any suitable and'welhknown type, such forexample as the one of my priorPatent No. 1.074511 issued October 7, 191said particular journal box being removably mounted in the car truckframe 2. More especially, the journal box is provided on its outside andintermediate its inner and outer ends with a peripheral slideway 3adapted to receive at the top and bottom of the journal box arms 4, 5 ofthe truck frame, and at one side a cross-piece 6 of the truck frame.while the other side receives a re movable filling block 7 which fitsbetween the arms of the truck frame and is held by an upright bolt 8passing through all three parts. Reference may be had to my said priorpatent for further details of the mounting the journal i v in the truckframe, those features form? no part of the present invention andtherefore requin ing no further descri here. My present invention can beused with ordinary and well-known type of journal box regardlesswot howit mounted on the car truck.

10 indicates the cover for the outer end of the journal box, which isopened for inspection and oiling, said cover being hinged at the top andclosing against an upwardly curved extension 11 of the front end of thefloor of the journal box.

Inside the journal box is a rectangular roller cage 12, which fits thebox laterally but in an up and down direction is considerably shorterthan the height of the box. In use this cage 12 lies inside a dependingstop 13 across the top of the journal box, and providesa space betweenitself and the bottom of the journal box for waste or other absorbentmaterial for oil. Preferably the height of the cage. is such that whenlowered sufliciently to pass the stop 13 it can easily' be removed fromthe journal box over the front bottom extension 11. The cage 12 has acylindrical opening ll to hold an annular series of rollers 15 aroundthe reduced end 16 of the axle 17, as clearly shown in the drawings.

l pon the opposite ends of the cage are retaining plates 18, 19, whichhave round openings of a litle less diameter than the opening 14 of thecage, so as to project over the ends of. the rollers and hold themagainst endwise movement. The edges of these openings in the end plateare preferably roundcd interiorly, as at 20, to better fit against thebeveled or rounded ends of the rollers. In order to facilitate removalor insertion of the rollers, the front end plate 18 is made sectional,with the ends of the removable section 21 beveled at 22 or otherwiseadapted to underlie the ends of the fixed section 23.

The. shoulder formed by the reduced end 16 of the axle is concaved orrounded, as at 24, to fit against the rounded ends of the rollers. andthe extremity of the axle receives an end bolt 25 with a threaded stem26 to screw into the axle and an outer angular portion 27 to receive awrench for turnin The main portion 28 of the head of the be t rollers1-5 but smaller than the opening too of the end plate 18, and preferablyis concaved or rounded at its inner edge to fit versely across the cage,as at 30, 30, so as to Y cut-through into the opening or roller chamber14:. Any other suitable construction for obtaining this result might beemployed, however.

in use'the journal box rests upon the top of the roller case 12, back ofthe stop 13, and whenever it becomes necessary to inspect the rollers,the load is jacked up to raise the journal box away from the roller cage12 sulhciently for the stop 13 to clear the top of the roller cage, Thenthe endbolt 25 can be removed and the upper section of the end plate 18,whereupon free access is had to the rollers 15. in order to accommodatethis upward movement of the journal box with respect to the axle, theaperture 31 in the inner end wall of the journal box is elongatedvertically or made elliptical, as shown in Fig. 7

My improved roller bearing can be used not only for freight cars onrailways but also for passenger coaches, trolley car service, trucks orany kind of vehicles having journal bearings to which it can be adapted.Various modifications and changes may be made in the course of suchadaptation without departing from the spirit and scope of the invention,and I do not wish to be understood as restricting myself except asrequired by the following claims when construed in the light of theprior art.

Having thus described the invention, what I claim is:

1. The combination with a journal box and means for supporting the same,of a roller cage in said journal box having a limited movementvertically with respect thereto, an axle projecting into said rollercage, and rollers around said axle held by said cage.

2. Th combination with a journal box and means for supporting the same,of a roller cage in said journal box having a limited movementVertically with respect thereto, an axle. projecting into said rollercage, rollers around said axle held by said cage, and an end boltscrewed upon the end of the axle having a flange projecting over theends of the rollers.

4. The combination with a journal box and means for supporting the same,or" a roller cage in said journal box having end plates with aperturessmaller than the aperture of the cage, an axle projecting into saidroller cage, and rollers between. said axle and cage and held againstendwise movement by the said end plates.

5. The combination with a journal loox and means for supporting thesame, of a roller cage in said journal box having end plates withapertures smaller than the aperture of the cage the outer end platebeing sectional with one section adapted to'- underlie the other attheir meeting edges and to be de tachably secured at its opposite edge,an axle projectmg into said roller cage, and rollers between said axleand cage and held again endwise movement by th said end plates.

-6. lhe combination with a journal b.

and means for supporting the same, salt. it

journal box having a stop at the upper part of the outer end of itsopening, a roller cage in said journal box adapt-ed to engage said stopor be released therefrom by raising the journal box with respect to thecage, an axle projecting into said roller cage and rollers around saidaxle held by said cage.

7. The combination with a journal box having an upwardly projectingextension at the outer end of its bottom and a stop at the outer end ofits top, of a roller cage in saidjournal box normally engaging said topbehind the stop and adapted when the box is raised with respect to theaxle to pass outward between said stop and floor extension.

WILLIAM H. NUNAMACHER.

